Are there any performance issues or caveats with resource (.resx) files?

Question

Resource files seem great for localization of labels and messages, but are they perfect?

For example:

1. Is there a better solution if there is a huge amo

Answer 1

I recently used a .resx file with 5 million strings (normal length, like this sentence), compiled in different DLLS about 1 GB in size. It still works fine in an Azure web project.

The load time is unknown, maybe few seconds or so, since it always can heat up in stages, I never noticed it.